2571768422 has 4 divisors (see below), whose sum is σ = 3857652636. Its totient is φ = 1285884210.

The previous prime is 2571768421. The next prime is 2571768431. The reversal of 2571768422 is 2248671752.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2571768422² = 13227985632792740168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2571768421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642942104 + ... + 642942107.

It is an arithmetic number, because the mean of its divisors is an integer number (964413159).

Almost surely, 2^2571768422 is an apocalyptic number.

2571768422 is a deficient number, since it is larger than the sum of its proper divisors (1285884214).

2571768422 is a wasteful number, since it uses less digits than its factorization.

2571768422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285884213.

The product of its digits is 376320, while the sum is 44.

The square root of 2571768422 is about 50712.6061448236. The cubic root of 2571768422 is about 1370.0737740655.

It can be divided in two parts, 257 and 1768422, that multiplied together give a palindrome (454484454).

The spelling of 2571768422 in words is "two billion, five hundred seventy-one million, seven hundred sixty-eight thousand, four hundred twenty-two".